内容正文:
M3U1 Nature in the balance II
· 课前导入-课文语法填空
根据P2-3教材课文,在空白处填入1个适当的单词或括号内单词的正确形式。
As the __1__(large) rainforest in the world, the Amazon rainforest plays an important part __2__ maintaining the balance of the Earth’s ecosystem. The Amazon River, from __3__ the rainforest gets its name, supports many different ecosystems, __4__(give) this area the richest biodiversity on the Earth.
From the tall and ancient Brazil nut trees to the water lilies, the forest’s different levels provide food and shelter for __5__ great variety of wildlife. The Amazon rainforest is also home to more than 1, 300 species of birds and over 400 species of mammals. For example, the jaguar, close to extinction in other areas, can __6__(find) here.
__7__(know) as the “lungs of the planet”, the Amazon rainforest __8__(breathe) life into the planet by fixing carbon and producing over 20 per cent of all the Earth’s oxygen. __9__, 17 per cent of the rainfores